input[name]{
    width: 200px;
    height: 30px;
}
div span{
    color: aquamarine;
    font-size: 2em;
}
p>span{
    color: bisque;
    font-size: 2em;
}
input[type="text"]{
    width: 100px;
    height: 30px;
}
li[vlass^="a"]{
    color: blueviolet;
}
a:hover{
    color: pink;
    font-size: 2em;
}
/* a:visited{
    color: cadetblue
} */
a:active{
    color: blue;
    text-decoration: underline;
}
input:focus{
    outline: none;  /* 去除浏览器自带的可交互控件效果 */
    border: 1px solid red;
    box-shadow: 0 0 5px palevioletred; /* 设置元素的盒子阴影 */

}

